Constraint programming

Allen's interval algebra

For the type of boolean algebra called interval algebra, see Boolean algebra (structure) Allen's interval algebra is a calculus for temporal reasoning that was introduced by James F. Allen in 1983. The calculus defines possible relations between time intervals and provides a composition table that can be used as a basisfor reasoning about temporal descriptions of events. (Wikipedia).

Allen's interval algebra
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Related pages

Temporal logic | Relation algebra | Converse relation | Region connection calculus | Interval tree | Commonsense reasoning | Boolean algebra (structure)